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Forwarding through reverse proxy for non-static files #130

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a39ee88
Forwarding using reverse proxy
Feb 23, 2015
1cf6cb3
Forward support readme changes
Feb 23, 2015
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2 changes: 2 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,8 @@ This will install `http-server` globally so that it may be run from the command

`-K` or `--key` Path to ssl key file (default: key.pem).

`-f` or `--forward` Forward to proxy server if static file is not found e.g. -f http://localhost:5000/.

`-h` or `--help` Print this list and exit.

`-c` Set cache time (in seconds) for cache-control max-age header, e.g. -c10 for 10 seconds
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8 changes: 7 additions & 1 deletion bin/http-server
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Expand Up @@ -28,6 +28,7 @@ if (argv.h || argv.help) {
" -C --cert Path to ssl cert file (default: cert.pem).",
" -K --key Path to ssl key file (default: key.pem).",
"",
" -f --forward Forward to proxy server if static file is not found",
" -h --help Print this list and exit."
].join('\n'));
process.exit();
Expand All @@ -37,6 +38,7 @@ var port = argv.p || parseInt(process.env.PORT, 10),
host = argv.a || '0.0.0.0',
log = (argv.s || argv.silent) ? (function () {}) : console.log,
ssl = !!argv.S || !!argv.ssl,
proxy = argv.f || argv.forward,
requestLogger;

if (!argv.s && !argv.silent) {
Expand All @@ -62,7 +64,8 @@ function listen(port) {
showDir: argv.d,
autoIndex: argv.i,
ext: argv.e || argv.ext,
logFn: requestLogger
logFn: requestLogger,
proxy: proxy
};

if (argv.cors) {
Expand All @@ -88,6 +91,9 @@ function listen(port) {
+ ' on: '.yellow
+ uri.cyan);

if(proxy){
log('Forwarding non static requests to '+proxy);
}
log('Hit CTRL-C to stop the server');
if (argv.o) {
opener(uri);
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39 changes: 33 additions & 6 deletions lib/http-server.js
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@@ -1,11 +1,28 @@
var fs = require('fs'),
util = require('util'),
union = require('union'),
ecstatic = require('ecstatic');
ecstatic = require('ecstatic'),
httpProxy = require('http-proxy');

var HTTPServer = exports.HTTPServer = function (options) {
var proxyServer;
options = options || {};

if (options.proxy) {
proxyServer = httpProxy.createProxyServer({});
proxyServer.on('error', function (err, req, res) {
res.writeHead(500, {
'Content-Type': 'text/plain'
});

res.end('Something went wrong. And we are reporting a custom error message.');

if (options.logFn) {
console.log('failed proxy ' + options.proxy);
}
});
}

if (options.root) {
this.root = options.root;
}
Expand All @@ -28,9 +45,7 @@ var HTTPServer = exports.HTTPServer = function (options) {
this.autoIndex = options.autoIndex !== 'false';

if (options.ext) {
this.ext = options.ext === true
? 'html'
: options.ext;
this.ext = options.ext === true ? 'html' : options.ext;
}

var serverOptions = {
Expand All @@ -47,8 +62,20 @@ var HTTPServer = exports.HTTPServer = function (options) {
cache: this.cache,
showDir: this.showDir,
autoIndex: this.autoIndex,
defaultExt: this.ext
})
defaultExt: this.ext,
handleError: !options.proxy
}),
function (req, res) {
if (options.proxy) {
if (options.logFn) {
console.log('forwarding');
}
proxyServer.web(req, res, { target: options.proxy });
}
else {
res.emit('next');
}
}
]),
headers: this.headers || {}
};
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3 changes: 2 additions & 1 deletion package.json
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Expand Up @@ -63,7 +63,8 @@
"union": "~0.4.3",
"ecstatic": "~0.5.6",
"portfinder": "0.2.x",
"opener": "~1.4.0"
"opener": "~1.4.0",
"http-proxy": "~1.8.1"
},
"devDependencies": {
"vows": "0.7.x",
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